Finding the Fourth Proportional to 5,289,905.76, 7,202,408.64 and 5,273,109.60
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Solution
The fourth proportional to 5,289,905.76, 7,202,408.64 and 5,273,109.60 is: 7,179,540.03
Step by Step Solution
- Step 1: Write the proportion equation
5,289,905.76 : 7,202,408.64 = 5,273,109.60 : x - Step 2: Convert to fraction form
5,289,905.76/7,202,408.64 = 5,273,109.60/x - Step 3: Cross multiply
5,289,905.76x = 7,202,408.64 × 5,273,109.60 - Step 4: Simplify right side
5,289,905.76x = 37,979,090,142,706.94 - Step 5: Solve for x
x = 37,979,090,142,706.94/5,289,905.76 - Step 6: Final answer
x = 7,179,540.03
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.